Furnace Replacement
Furnace Replacement in Cumming, GA & North Georgia
Replace Your Old Furnace With Confidence
If your furnace is over 15 years old, breaking down often, or driving up your heating bills, it's time to consider a replacement. Cool Season Heating & Cooling has been helping homeowners across Cumming, Alpharetta, Roswell, Milton, and Johns Creek upgrade to modern, high-efficiency furnaces that save money, run quieter, and keep your family safer.
As a Bryant/Carrier Factory Authorized Dealer, we install premium, NATE-certified equipment with manufacturer-backed warranties — and we never push a system bigger or more expensive than your home actually needs.
Free in-home estimate: (404) 416-6770
7 Signs It's Time to Replace Your Furnace
- Your furnace is over 15-20 years old — Modern furnaces are 30-50% more efficient than units from two decades ago
- Repair costs are climbing — If a repair costs more than 50% of a new system, replacement is smarter
- Your heating bills keep rising — Aging furnaces lose efficiency every year
- Uneven heating between rooms — A failing system struggles to maintain consistent temperatures
- Frequent breakdowns — More than 2-3 service calls per heating season is a red flag
- Yellow flame instead of blue — Sign of incomplete combustion (and possible CO production)
- Cracked heat exchanger — A serious safety issue — replacement is the only safe option
If you checked two or more boxes, replacement will likely save you money and keep your family safer.
⚠️ Safety note: A cracked heat exchanger can leak carbon monoxide into your home. We will never recommend repairing one — replacement is the only safe option.
What's Included in Our Furnace Replacement Service
When you choose Cool Season for furnace replacement, you get a complete, professional installation:
✅ Free in-home consultation — We measure your home and recommend the right size system ✅ Manual J load calculation — Industry-standard sizing (no guesswork, no oversizing) ✅ Professional removal of old furnace — We haul it away, properly recycled ✅ New furnace installation — Bryant, Carrier, or other premium brands ✅ New gas line connections (when needed) — Code-compliant, leak-tested ✅ Combustion analysis — Verified safe operation before we leave ✅ CO check — Carbon monoxide testing to ensure family safety ✅ Thermostat installation or upgrade — Smart thermostat options available ✅ System commissioning & testing — Verified to manufacturer specs ✅ Walk-through with homeowner — We show you how everything works ✅ Cleanup — We leave your home cleaner than we found it ✅ Manufacturer & labor warranty registration — Up to 10-year parts warranty
How Much Does Furnace Replacement Cost in Cumming, GA?
A complete furnace replacement in our service area typically ranges from $4,500 to $11,500, depending on:
| Factor | Impact on Price |
|---|---|
| Furnace size (BTU capacity) | $500 – $2,000 difference |
| AFUE efficiency rating (80% vs 96%+) | $1,000 – $3,000 difference |
| Brand (Bryant, Carrier, Goodman etc.) | $500 – $2,000 difference |
| Single-stage vs. two-stage vs. modulating | $800 – $3,000 difference |
| Variable-speed blower upgrade | $400 – $1,200 |
| Venting modifications (high-efficiency) | $300 – $1,500 if needed |
| Gas line modifications | $200 – $800 if needed |
| Smart thermostat upgrade | $250 – $600 |
We give you a written, all-inclusive quote — no hidden fees, no surprise charges.
Financing available: 0% interest on qualifying systems. Monthly payments as low as $99/month. Learn more about financing.
Furnace Brands We Install
We're a Bryant/Carrier Factory Authorized Dealer, but we install all major brands:
- Bryant — Our top recommendation: rock-solid reliability, excellent warranties
- Carrier — Industry leader in efficiency and innovation
- Lennox — Premium efficiency options
- Trane, Rheem, Goodman, Amana, York, Daikin — Available on request
Our advice: The quality of the installation matters more than the brand on the box. A poorly-installed premium furnace will fail faster than a properly-installed mid-range unit. That's why our installation process is so thorough.
Furnace Efficiency: AFUE Ratings Explained
AFUE (Annual Fuel Utilization Efficiency) tells you how much of the gas your furnace burns actually heats your home:
- AFUE 80% — Standard efficiency. Minimum legal in most regions. Good budget option.
- AFUE 90-94% — Mid-efficiency. Solid performer for most Georgia homes.
- AFUE 95-98%+ — High efficiency. Maximum savings. Often qualifies for tax credits and rebates.
A 96% AFUE furnace can cut your heating bills by 20-30% compared to a 15-year-old 80% unit. Over a 15-year furnace lifespan, that's thousands in savings.
Tax credits & rebates: Federal Inflation Reduction Act offers tax credits up to $600 for qualifying high-efficiency gas furnaces and up to $2,000 for heat pumps. Georgia Power also offers rebates on select systems.
Furnace vs. Heat Pump: Which Is Better?
Many North Georgia homeowners are switching from gas furnaces to heat pumps during replacement. Here's the quick comparison:
| Factor | Gas Furnace | Heat Pump |
|---|---|---|
| Heating cost | Lower with cheap gas | Lower with electric efficiency |
| Cooling | No (separate AC needed) | Yes — heats AND cools |
| Efficiency | Up to 98% AFUE | Up to 400% efficient (HSPF) |
| Tax credits | Up to $600 | Up to $2,000 |
| Lifespan | 15-20 years | 12-18 years |
| Best for | Very cold climates | Mild climates like Georgia |
For most North Georgia homes, a heat pump is now the better choice — better efficiency, bigger tax credits, and Georgia's mild winters fit perfectly. Ask us about heat pump installation.
Why Cumming Homeowners Choose Cool Season for Furnace Replacement
✅ Bryant/Carrier Factory Authorized Dealer — Direct manufacturer support ✅ NATE-Certified Technicians — Industry's gold standard ✅ Free, No-Pressure In-Home Estimates — We educate, we don't sell ✅ Proper Manual J Sizing — No oversized or undersized systems ✅ Combustion & CO Safety Testing — Verified safe operation ✅ 10-Year Parts Warranty — On qualifying Bryant/Carrier systems ✅ 2-Year Labor Warranty — Industry-leading ✅ 0% Financing Available — Affordable monthly payments ✅ Tax Credits & Rebates Help — We handle the paperwork ✅ Locally Owned & Operated — We're your neighbors ✅ 5-Star Rated — Trusted by hundreds of North Georgia homeowners
Our Furnace Replacement Process
1. Free In-Home Consultation A trained comfort advisor visits your home, inspects your existing system, ductwork, gas lines, and venting.
2. Manual J Load Calculation We calculate the exact heating capacity your home needs — no guessing.
3. Custom Quote with Options You receive 2-3 written options at different price points. Furnace vs heat pump vs hybrid system. No pressure, no rush.
4. Schedule Installation Most furnace installations are completed in 1 day.
5. Professional Installation NATE-certified team handles everything — removal, installation, gas line work, venting, electrical.
6. Combustion & Safety Testing We run a combustion analysis and CO check before we leave. Your family's safety is verified.
7. Walk-Through & Warranty Registration We show you how to operate the new system and register all warranties for you.
8. Follow-Up We check in after 30 days to make sure everything is performing perfectly.
Service Areas — Furnace Replacement Near You
We provide professional furnace replacement throughout North Georgia:
- Cumming, GA (Forsyth County)
- Alpharetta, GA
- Roswell, GA
- Milton, GA
- Johns Creek, GA
- Suwanee, Sandy Springs, Dawsonville, Buford, and surrounding North Atlanta areas
Frequently Asked Questions — Furnace Replacement
How long does a furnace replacement take? Most complete furnace replacements are completed in one full day (4-8 hours). Larger systems or projects requiring venting modifications may take 1.5-2 days.
How long do new furnaces last? With proper installation and annual maintenance, a quality gas furnace should last 15-20 years. Most manufacturer warranties cover 10 years on parts.
Should I replace my furnace with another furnace, or switch to a heat pump? For most North Georgia homes, a heat pump is now the better choice — better efficiency, bigger tax credits ($2,000 vs $600), and Georgia's mild winters fit perfectly. We'll give you both options during your free estimate so you can decide.
Do you offer financing? Yes — 0% interest financing is available on qualifying systems. We can get you approved in minutes. Monthly payments often start around $99/month.
Do I qualify for federal tax credits? Yes. The Inflation Reduction Act offers up to $600 for qualifying high-efficiency gas furnaces and up to $2,000 for heat pumps. We'll help you understand what you qualify for during your free estimate.
What size furnace do I need? This depends on your home's square footage, insulation, windows, and ductwork. We perform a Manual J load calculation during every estimate — no guesswork, no oversizing.
Can I replace my furnace in the summer? Absolutely. Replacing in the off-season often means better availability and competitive pricing. Don't wait until winter when everyone needs service.
What brand do you recommend? We're a Bryant/Carrier Factory Authorized Dealer because we believe in their reliability and warranty support. But we'll honestly recommend the best system for your home and budget — not what makes us the most money.
Will my heating bill really go down? Yes — replacing a 15-20 year old 80% AFUE furnace with a modern 96% AFUE unit typically reduces heating costs by 20-30%. The savings often pay for the upgrade over the system's lifetime.
Is it safe to keep using a furnace with a cracked heat exchanger? No. A cracked heat exchanger can leak carbon monoxide into your home. We never recommend repairing one — replacement is the only safe option.
Schedule Your Free Furnace Replacement Estimate
Ready to upgrade to a quieter, more efficient, safer furnace? Get your free, no-pressure in-home estimate from Cool Season Heating & Cooling.
Free estimates • 0% financing available • Bryant/Carrier Factory Authorized Dealer • 10-year parts warranty
